crucial information to pilots. the holiday travel season gets under way tomorrow at san francisco international airport. the airport says tomorrow is expected to be the busiest single day of travel for the thanksgiving period. sfo is estimating more than 140,000 passengers will arrive and depart from sfo tomorrow. and during the entire holiday season, sfo expects 3% more travelers compared to last year. nice day around here today, we've had a nice run of fall like temperatures above average temperatures. that changes now. first weather system gets in here tomorrow. second system i pointed out on saturday. three day total, maybe 2-1/2 inches of rain. some of the heavier hilly location. so it's going to be wet, umbrellas will be needed. let's go through the computer model, 10:00 tonight we have clouds you knew that. we get to 6:00 a.m. there's drizzle, wet on the roadways. look what happens as we get toward 10:00 a.m.